﻿using System;
using System.Linq;


namespace _2.IsTheSignPlusOrMinus
{
    class IsTheSignPlusOrMinus
    {
        static void Main(string[] args)
        {
            Console.Write("Enter a=");
            int a = int.Parse(Console.ReadLine());
            Console.Write("Enter b=");
            int b = int.Parse(Console.ReadLine());
            Console.Write("Enter c=");
            int c = int.Parse(Console.ReadLine());
            int count = 0;
            if (a < 0)
            {
                count++;
            }
            if (b < 0)
            {
                count++;
            }
            if (c < 0)
            {
                count++;
            }
            if (count % 2 == 0)
            {
                Console.WriteLine("The sign is \"+\"");
            }
            else
            {
                Console.WriteLine("The sign is \"-\"");
            }
        }
    }
}
